2.Transactions of the Medical Society of the County of Albany by Medical Society of the County of Albany (1872)"The genus cicuta is represented in this country by two species, cicuta maculata
and cicuta bulbifera, the former having two or three tuberous roots as large ..."

4.The Americana: A Universal Reference Library, Comprising the Arts and ...by George Edwin Rines, Frederick Converse Beach by George Edwin Rines, Frederick Converse Beach (1912)"Another species of the genus Cicuta has glaucous leaves springing directly from
the ground, and a fleshy root with two distinct parts; a vertical rootstock, ..."